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Menstrual disorders

Description

An in-depth report on the causes, treatment, and prevention of menstrual cramps.

Alternative Names

Dysmenorrhea; Menorrhagia; Amenorrhea; Cramps; Heavy menstrual bleeding

Treatment

Making dietary adjustments starting about 14 days before a period may help some women with certain mild menstrual disorders, such as cramping. The general guidelines for a healthy diet apply to everyone; they include eating plenty of whole grains, fresh fruits and vegetables, and avoiding saturated fats and commercial junk foods.

Effects of Dietary Fats. A 2000 study reported that women who followed a low-fat vegetarian diet for two menstrual cycles experienced less pain and bloating and a shorter duration of premenstrual symptoms than those who ate meat. Women who are losing too much blood, however, may need meat to help maintain iron levels. Choosing more fish and eggs may be a helpful alternative.

More than one study has reported less menstrual pain with a higher intake of omega 3 fatty acids (fat compounds found in oily fish, such as salmon and tuna). In one study, supplements of fish oil also appeared to reduce heavy bleeding in adolescent girls.

Salt Restriction. Limiting salt may help bloating.

Reducing Caffeine, Sugar, and Alcohol. Reducing caffeine, sugar, and alcohol intake may be beneficial. The effects of alcohol are mixed. One study found that women who drank less wine had less menstrual pain than those who drank more wine. Another reported that regular consumption of alcohol lowered the risk for developing cramps, but it actually increased the length of cramping time in certain women. In any case, alcohol is certainly not recommended for relieving menstrual disorders.

Maintaining Healthy Iron Stores and Preventing Anemia

Forms of Iron. Women who have heavy menstrual bleeding can sometimes become anemic. Eating iron-rich foods can help prevent anemia. Iron found in foods is either in the form of heme or non-heme iron. Heme iron is the better absorbed than non-heme iron.

• Foods containing heme iron are the best for increasing or maintaining healthy iron levels. Such foods include (in order of iron-richness) clams, oysters, organ meats, beef, pork, poultry, and fish.
• Non-heme iron is less well absorbed. About 60% of iron in meat in non-heme (although meat itself helps absorb non-heme iron). Eggs, dairy products, and iron-containing vegetables only have the non-heme form. Such vegetable products include dried beans and peas, iron-fortified cereals, bread, and pasta products, dark green leafy vegetables (chard, spinach, mustard greens, kale), dried fruits, nuts, and seeds.

The absorption of non-heme iron often depends on the food balances in meals. The following are foods that enhance absorption of non-heme iron:

• Meat and fish not only contain heme iron--the best form for maintaining stores, but they also help absorb non-heme iron.
• Increasing intake of vitamin C rich foods can enhance absorption of non-heme iron during a single meal. In any case, vitamin C rich foods are healthful and include broccoli, cabbage, citrus fruits, melon, tomatoes, and strawberries. One orange or six ounces of orange juice can double the amount of iron the body absorbs from plant foods. (Taking vitamin C supplements does not appear to have any significant effect on iron stores.)

Exercise

Exercise may help reduce menstrual pain. It is not clear, however, how intense the exercise should be to reduce dysmenorrhea. For example young female athletes in a 2001 study were only half as likely to suffer from dysmenorrhea as their non-active peers. However, they were also three times more likely to experience an absence of periods. Exercise may be very helpful for women with menstrual pain due to endometriosis. It relieves stress and tension and may reduce hormonal levels that could contribute to endometrial growth.

Other Lifestyle Measures

Sexual Activity. There have been reports that orgasm reduces the severity of menstrual cramps.

Applying Heat . One study found that continuously applying a heated abdominal pad for 12 hours 2 days in a row was as effective in reducing menstrual cramps as ibuprofen (Advil). A warm bath may also be helpful.

Menstrual Hygiene. Tampons should be changed every 4 to 6 hours. Scented pads and tampons should be avoided; feminine deodorants can irritate the genital area. Women should not douche during or between periods. Women who douche on a weekly basis are more likely to contract cervical cancer than those who do not. Douching may destroy the natural bacteria normally present in the vagina. Bathing regularly is sufficient.

Alternative Remedies

Acupuncture and Acupressure. Some studies, including a small well-conducted trial, have reported relief from pelvic pain after acupuncture or acupressure, a technique that applies small pins or pressure to specific points on the body. Some women report relief with reflexology, an acupuncture technique that uses manual pressure on acupuncture points on the ears, hands, and feet.

Yoga and Meditative Techniques. Yoga and meditative techniques that promote relaxation may help relieve menstrual cramps.

Chiropractic. Some women with primary dysmenorrhea have sought help from chiropractors trained in spinal manipulation. One study compared a high-force spinal manipulation technique with a low-force maneuver used as a placebo technique. Both showed lower scores on tests that measure pain, perhaps indicating that a simple back rub by a sympathetic partner or friend may be helpful.

Herbs and Supplements. Studies have not generally found herbal or natural remedies to be any more effective than placebos for reducing menstrual disorders. Natural remedies for menstrual symptoms include:

• Evening primrose oil. Evening primrose oil contains a polyunsaturated fatty acid known as gamma linolenic acid. This compound seems to block the release of cytokines and prostaglandins, immune system factors that are manufactured by the endometrium. These factors are involved in uterine muscle contraction and cramping. Foods that contain gamma linolenic acid include black currant oil and cold-water fish.
• Omega-3 fatty acids. There is some evidence that the fatty acids found in fish oil have anti-inflammatory properties that may help relieve menstrual cramps. Omega-3 fatty acids are available in supplement pill form, but diets that include cold-water fish (tuna, salmon, mackerel) provide the best source for these nutrients.
• Ginger. Ginger tea or capsules may help to relieve nausea and bloating.

Herbs and Supplements Generally, manufacturers of herbal remedies and dietary supplements do not need FDA approval to sell their products. Just like a drug, herbs and supplements can affect the body's chemistry, and therefore have the potential to produce side effects that may be harmful. There have been a number of reported cases of serious and even lethal side effects from herbal products. Patients should check with their doctor before using any herbal remedies or dietary supplements. The following are special concerns for people taking natural remedies for menstrual disorders: Valerian has been used by some women for menstrual cramps. This herb is listed on the FDA's list of generally safe products. However, its calming effects can be dangerously increased if it is used with sedative drugs. Other interactions and long-term side effects are unknown. Black cohosh (also known as Cimicifuga racemosa or squawroot) contains a plant estrogen and is the most studied herbal remedy for treating menopausal symptoms. It may also be helpful for some women with dysmenorrhea. Black cohosh has been used for decades in Germany and appears to be safe, but because its actions resemble estrogen more clinical studies are needed to confirm both long-term safety and effectiveness. Headaches and gastrointestinal problems are common side effects. At this time, experts do not recommend taking it for more than 6 months.

• Review Date: 6/11/2006
• Reviewed By: Harvey Simon, M.D., Editor-in-Chief, Associate Professor of Medicine, Harvard Medical School; Physician, Massachusetts General Hospital

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